Play tower structure



FIG. 1 is a perspective view of the play tower structure.

FIG. 2 is a front view of the play tower structure.

FIG. 3 is a top view of the play tower structure.

FIG. 4 is a first side view of the play tower structure.

FIG. 5 is a second side view of the play tower structure.

FIG. 6 is a rear view of the play tower structure; and,

FIG. 7 is a bottom view of the play tower structure.

The broken line showing is included for the purpose of illustratingunclaimed subject matter and forms no part of the claimed design.

CLAIM The ornamental design for the play tower structure, as shown anddescribed.